| #ifndef PROTON_TIMESTAMP_HPP |
| #define PROTON_TIMESTAMP_HPP |
| |
| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #include "./duration.hpp" |
| |
| #include <proton/type_compat.h> |
| |
| /// @file |
| /// @copybrief proton::timestamp |
| |
| namespace proton { |
| |
| /// A 64-bit timestamp in milliseconds since the Unix epoch. |
| /// |
| /// The dawn of the Unix epoch was 00:00:00 (UTC), 1 January 1970. |
| class timestamp : private internal::comparable<timestamp> { |
| public: |
| /// A numeric type holding a value in milliseconds. |
| typedef int64_t numeric_type; |
| |
| /// The current wall-clock time. |
| PN_CPP_EXTERN static timestamp now(); |
| |
| /// Construct from a value in milliseconds. |
| explicit timestamp(numeric_type ms = 0) : ms_(ms) {} |
| |
| /// Assign a value in milliseconds. |
| timestamp& operator=(numeric_type ms) { ms_ = ms; return *this; } |
| |
| /// Get the value in milliseconds. |
| numeric_type milliseconds() const { return ms_; } |
| |
| private: |
| numeric_type ms_; |
| }; |
| |
| /// @name Comparison and arithmetic operators |
| /// @{ |
| inline bool operator==(timestamp x, timestamp y) { return x.milliseconds() == y.milliseconds(); } |
| inline bool operator<(timestamp x, timestamp y) { return x.milliseconds() < y.milliseconds(); } |
| |
| inline timestamp operator+(timestamp ts, duration d) { return timestamp(ts.milliseconds() + d.milliseconds()); } |
| inline timestamp operator-(timestamp ts, duration d) { return timestamp(ts.milliseconds() - d.milliseconds()); } |
| inline duration operator-(timestamp t0, timestamp t1) { return duration(t0.milliseconds() - t1.milliseconds()); } |
| inline timestamp operator+(duration d, timestamp ts) { return ts + d; } |
| /// @} |
| |
| /// Print a timestamp. |
| PN_CPP_EXTERN std::ostream& operator<<(std::ostream&, timestamp); |
| |
| } // proton |
| |
| #endif // PROTON_TIMESTAMP_HPP |